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1042131045 = 3569475403
BaseRepresentation
bin111110000111011…
…010100001100101
32200121221202001010
4332013122201211
54113241143140
6251224252433
734552652634
oct7607324145
92617852033
101042131045
1149528a52a
12251011119
13137b9b9b7
149c59751b
1561754880
hex3e1da865

1042131045 has 8 divisors (see below), whose sum is σ = 1667409696. Its totient is φ = 555803216.

The previous prime is 1042131001. The next prime is 1042131073. The reversal of 1042131045 is 5401312401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042131045 - 27 = 1042130917 is a prime.

It is a super-2 number, since 2×10421310452 = 2172074229905584050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34737687 + ... + 34737716.

It is an arithmetic number, because the mean of its divisors is an integer number (208426212).

Almost surely, 21042131045 is an apocalyptic number.

1042131045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042131045 is a deficient number, since it is larger than the sum of its proper divisors (625278651).

1042131045 is an equidigital number, since it uses as much as digits as its factorization.

1042131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69475411.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1042131045 is about 32282.0545349889. The cubic root of 1042131045 is about 1013.8509471670.

Adding to 1042131045 its reverse (5401312401), we get a palindrome (6443443446).

The spelling of 1042131045 in words is "one billion, forty-two million, one hundred thirty-one thousand, forty-five".

Divisors: 1 3 5 15 69475403 208426209 347377015 1042131045